Skip to main content

Table 7 Number of failures according to tooth type in the maxilla for the .016″ × .022″ braided SS retainers bonded to 4 incisors (82 patients, 328 bonded sites)

From: Survival of maxillary and mandibular bonded retainers 10 to 15 years after orthodontic treatment: a retrospective observational study

Number of failures (%)

12 (%)

11 (%)

21 (%)

22 (%)

Total (%)

0 (no failures)

66 (80.5%)

72 (87.9%)

71 (86.6%)

74 (90.2%)

283 (86.3%)

1

14 (17.1%)

7 (8.5%)

8 (9.8%)

7 (8.5%)

36 (11.0%)

2

1 (1.2%)

2 (2.4%)

2 (2.4%)

0 (0%)

5 (1.5%)

3

0 (0%)

1 (1.2%)

1 (1.2%)

1 (1.2%)

3 (0.9%)

4

1 (1.2%)

0 (0%)

0 (0%)

0 (0%)

1 (0.3%)

Total number of failures (%)

16 (19.5%)

10 (12.1%)

11 (13.4%)

8 (9.8%)

45 (13.7%)